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Finding the Fourth Proportional to 11,361.60, 16,951.14 and 10,114.20

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Solution

The fourth proportional to 11,361.60, 16,951.14 and 10,114.20 is: 15,090.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.60 : 16,951.14 = 10,114.20 : x
  2. Step 2: Convert to fraction form
    11,361.60/16,951.14 = 10,114.20/x
  3. Step 3: Cross multiply
    11,361.60x = 16,951.14 × 10,114.20
  4. Step 4: Simplify right side
    11,361.60x = 171,447,220.19
  5. Step 5: Solve for x
    x = 171,447,220.19/11,361.60
  6. Step 6: Final answer
    x = 15,090.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.